1 divide by 5 multiply 4 divide by 9 plus 1 divide by 5 plus 5 divide by 9........ Answer 1 divide by 5
Answers
x = 1
5 x 4
x= 9 + 1
5 x 4
9 .......
We can see x part is repeating agan so we take it second part also as as
x = 1
5 x 4
9 +
x = 9/20 + 1/x
20x² - 9x - 20 = 0
Now use quadratic equation
-b +/- √b² - 4ac
2a
= 9 +/- √81 + 1600
40
= 9 +/- √1681
40
= 9+/- 41
40
= 50/40 = 5/4
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